Support tray



FIG. 1 is an isometric view of a support tray;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is an enlarged perspective view of a portion of FIG. 1.

The ornamental design for the support tray, as shown.